def gen_align(align, size):
    texto = ""
    for i in range(0,size):
        texto += align
    return texto

def gen_header(size):
    header = " "
    for i in range(0, size):
        header += "& " + str(i) + " "
    header += "\\\ \\midrule\n"
    return header

def cm_to_latex(array, align="l"):
    n_cols = len(array[0])
    table = "\\begin{table}\n"
    table += "\caption{Table of Confusion Matrix generated with python}\n"
    table += "\label{cm:python:generated}\n"
    table += "\small\n"
    table += "\\centering\n"
    table += "\\begin{tabular}{@{}"+ gen_align(align, n_cols+1) + "@{}}\n"
    table += "\\toprule\n"
    table += gen_header(n_cols)
    for i, linha in enumerate(array):
        table += str(i) + " "
        for val in linha:
            table += "& " + str(val) + " "
        if i+1 == n_cols:
            table += "\\\ \\bottomrule \n"
        else:
            table += "\\\ \n"
    table += "\end{tabular}\n"
    table += "\end{table}"
    print(table)

# Test

array = [[3682,    7,  127,  107,  277,    3,    3,    5],
         [ 108,    9,   14,    6,   20,    0,    0,    0],
         [  70,    1,  162,    3,   14,    0,    0,    0],
         [  63,    2,    5,  112,   15,    0,    3,    3],
         [  73,    0,   11,    6,  354,    0,    0,    8],
         [   0,    0,    0,    0,    0,    5,    0,    0],
         [   1,    0,    0,    3,    2,    0,    8,    0],
         [  22,    0,    2,    0,   15,    0,    0,   30]]

cm_to_latex(array)

# Result

"""

\begin{table}
\caption{Table of Confusion Matrix generated with python}
\label{cm:python:generated}
\small
\centering
\begin{tabular}{@{}lllllllll@{}}
\toprule
 & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ \midrule
0 & 3682 & 7 & 127 & 107 & 277 & 3 & 3 & 5 \\
1 & 108 & 9 & 14 & 6 & 20 & 0 & 0 & 0 \\
2 & 70 & 1 & 162 & 3 & 14 & 0 & 0 & 0 \\
3 & 63 & 2 & 5 & 112 & 15 & 0 & 3 & 3 \\
4 & 73 & 0 & 11 & 6 & 354 & 0 & 0 & 8 \\
5 & 0 & 0 & 0 & 0 & 0 & 5 & 0 & 0 \\
6 & 1 & 0 & 0 & 3 & 2 & 0 & 8 & 0 \\
7 & 22 & 0 & 2 & 0 & 15 & 0 & 0 & 30 \\ \bottomrule
\end{tabular}
\end{table}

"""